US Bridges

SR 1758 over US74 Byp

Good

Union County, North Carolina · .2 MI N. SR 1631 · Structure no. 000000001790506

Built
2016
9 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
170 ft
2 main spans
Daily traffic
3,500
2018 count
Owner
State
State Highway Agency

About this bridge

SR 1758 over US74 Byp is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 1758 over US74 Byp in Union County, North Carolina. It was built in 2016, so it is 9 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,500 vehicles a day, roughly 7% of them trucks, projected to reach 7,000 by 2040. The structure is 170 ft (51.8 m) long and 42 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesSR 1758
CrossesUS74 Byp
Location.2 MI N. SR 1631
RouteState Highway 1758
CountyUnion County
StateNorth Carolina
Coordinates34.99758, -80.44869
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length170 ft (51.8 m)
Longest span82 ft (24.9 m)
Deck width42 ft (12.8 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2018)
Projected traffic7,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 1758 over US74 Byp built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR 1758 over US74 Byp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does SR 1758 over US74 Byp carry?

About 3,500 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is SR 1758 over US74 Byp?

The structure is 170 ft (51.8 m) long with a longest span of 82 ft (24.9 m) and a deck 42 ft wide.

Who owns SR 1758 over US74 Byp?

It is owned by the State Highway Agency.